C O N T E N T S
Cisco Express Forwarding
1
Finding Feature Information 1
Information About CEF 1
Cisco Platform Support for CEF and dCEF 2
CEF Benefits 2
Media Supported by CEF 3
Main Components of CEF 4
FIB Overview 4
CEF FIB and Load Balancing 4
CEF Adjacency Tables Overview 4
Adjacency Discovery 5
Adjacency Types That Require Special Handling 5
Unresolved Adjacency 6
Central CEF Mode Operation 6
Distributed CEF Mode Operation 6
CEF Features Enabled by Default 7
CEF Distributed Tunnel Switching 8
Links for the CEF Features 8
How to Configure CEF 8
Configuration Examples for CEF 9
Additional References 9
Feature Information for Cisco Express Forwarding 10
IP Switching Cisco Express Forwarding Configuration Guide, Cisco IOS XE Release 3SE (Catalyst 3850 Switches)
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